Datasheet AD7476, AD7477, AD7478 (Analog Devices) - 2

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AD7476/AD7477/AD7478 TABLE OF CONTENTS
Features .. 1  Typical Performance Characteristics ... 11  Applications ... 1  Terminology .. 12  Functional Block Diagram .. 1  Theory of Operation .. 13  General Description ... 1  Circuit Information .. 13  Product Highlights ... 1  Converter Operation .. 13  Revision History ... 2  ADC Transfer Function ... 13  Specifications ... 3  Typical Connection Diagram ... 14  AD7476 Specifications ... 3  Modes of Operation ... 15  AD7477 Specifications ... 5  Power vs. Throughput Rate ... 17  AD7478 Specifications ... 7  Serial Interface .. 18  Timing Specifications .. 8  Microprocessor Interfacing ... 19  Absolute Maximum Ratings .. 9  Outline Dimensions ... 21  ESD Caution .. 9  Ordering Guide .. 22  Pin Configuration and Function Descriptions ... 10 
REVISION HISTORY 1/09—Rev. E to Rev. F 3/04—Rev. C to Rev. D
Changes to Features .. 1 Added U.S. Patent Number .. 1 Changes to Ordering Guide .. 22 Changes to Specifications ... 2 Changes to Absolute Maximum Ratings .. 6
4/06—Rev. D to Rev. E
Changes to AD7476/AD7477/AD7478 to ADSP-21xx Updated Format .. Universal Interface section .. 16 Changes to Table 1 Endnotes .. 3 Changes to Table 2 Endnotes .. 5
2/03—Rev. B to Rev. C
Changes to Table 3 Endnotes .. 7 Changes to General Description ... 1 Updated Outline Dimensions ... 21 Changes to Specifications ... 2 Changes to Ordering Guide .. 22 Changes to Absolute Maximum Ratings .. 6 Changes to Ordering Guide ... 6 Changes to Typical Connection Diagram section ... 10 Changes to Figure 8 caption .. 11 Changes to Figure 19 .. 16 Changes to Figure 20 .. 17 Updated Outline Dimensions ... 18 Rev. F | Page 2 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7476 SPECIFICATIONS AD7477 SPECIFICATIONS AD7478 SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM Analog Input Digital Input MODES OF OPERATION Normal Mode Power-Down Mode Power-Up Time POWER VS. THROUGHPUT RATE SERIAL INTERFACE MICROPROCESSOR INTERFACING AD7476/AD7477/AD7478 to TMS320C5x/C54x Interface AD7476/AD7477/AD7478 to ADSP-21xx Interface AD7476/AD7477/AD7478 to DSP56xxx Interface AD7476/AD7477/AD7478 to MC68HC16 Interface OUTLINE DIMENSIONS ORDERING GUIDE